diff --git a/src/cms/templates/migrations/0015_log.py b/src/cms/templates/migrations/0015_log.py
index 41d204b..1a78855 100644
--- a/src/cms/templates/migrations/0015_log.py
+++ b/src/cms/templates/migrations/0015_log.py
@@ -79,7 +79,7 @@ class Migration(migrations.Migration):
                 "verbose_name": "log entry",
                 "verbose_name_plural": "log entries",
                 "ordering": ["-action_time"],
-                "index_together": {("content_type", "object_id")},
+                'indexes': [models.Index(fields=['content_type', 'object_id'], name='cms_templates_log_ctype_objid_idx')],
             },
             managers=[
                 ("objects", django.contrib.admin.models.LogEntryManager()),
diff --git a/src/cms/templates/models.py b/src/cms/templates/models.py
index 14b3c3c..c6b421a 100644
--- a/src/cms/templates/models.py
+++ b/src/cms/templates/models.py
@@ -40,7 +40,7 @@
 # and with index_together = ["content_type", "object_id"])
 import inspect
 exec(inspect.getsource(LogEntry).replace('db_table = "django_admin_log"',
-                                         'index_together = ["content_type", "object_id"]')\
+                                         'indexes = [models.Index(fields=["content_type", "object_id"])]')\
                                 .replace('class LogEntry','class Log')\
                                 .replace('models.TextField(_("object id"), blank=True, null=True)',
                                          'models.PositiveIntegerField(_("object id"), blank=True, null=True)')) #nosec